package kr.hkit.powerjava.chapter23;

import java.awt.Font;
import java.awt.HeadlessException;
import java.awt.Label;

import javax.sound.midi.SysexMessage;
import javax.swing.JFrame;
import javax.swing.JLabel;

public class CountDownTest extends JFrame {
	private JLabel label;

	class MyThread extends Thread {

		public MyThread() {
			this.start();
		}

		@Override
		public void run() {
			for (int i = 10; i > 0; i--) {
				try {
					Thread.sleep(999);
				} catch (InterruptedException e) {
				}
				label.setText(i + "");
			}
		}

	}

	public CountDownTest() throws HeadlessException {
		setTitle("카운트다운");
		setSize(300, 200);
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

		label = new JLabel("Start");
		label.setFont(new Font("serif", Font.BOLD, 100));
		add(label);
		Thread t = new MyThread();
		setVisible(true);
		while (t.isAlive());
		System.exit(0);
	}

	public static void main(String[] args) {
		new CountDownTest();

	}

}
